67 search results - page 6 / 14 » Spatially Adaptive Wavelet Thresholding for Image Watermarki... |
CIS
2006
Springer
13 years 11 months ago
2006
Springer
In this paper, we propose an efficient watermarking technique using adaptive differential energy watermarking (ADEW) and cross binding wavelet tree (CBWT) for copyright protection....
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
An approach to scalable multi-view video coding with joint best basis wavelet packets is examined in this paper. A 4-D wavelet transform is used to decorrelate the multi-view vide...
JDCTA
2010
13 years 2 months ago
2010
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
ISBI
2004
IEEE
14 years 8 months ago
2004
IEEE
Ultrasound images are corrupted by a multiplicative noise, the speckle, which makes high level analysis difficult. Within each resolution cell a number of elementary scatterers re...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
Video coding algorithms based on 3-D wavelet transforms exist which have a competitive rate-distortion performance and are very fast because motion compensation is not needed. The...